Idea Cellular is the third largest wireless operator in India with a revenue market share of 19.3 per cent (Q1FY17). Idea is listed on the National Stock Exchange (NSE), and the Bombay Stock Exchange (BSE) in India. Idea is part of the Aditya Birla Group, which is one of the largest business groups in India. The Aditya Birla Group is a conglomerate with operations in more than 30 countries. The Aditya Birla Group has a history of over 50 years and has businesses in, among others, mobile telecommunications, metals and mining, cement, carbon black, textiles, garments, chemicals, fertilisers, life insurance and financial services industries.